Looking for some fun, outdoor family activities this week? Stop by Crossroads at Big Creek (, 2041 Michigan St. in Sturgeon Bay, to get involved with one of its many nature-based programs.

Volunteers of all ages are invited to help with the Habitat Healers’ land-restoration efforts July 9, 9:30-11:30 am. Instruction, equipment, gloves, cookies and lemonade will all be provided. Wear clothes and footwear that can get wet and dirty.

Join summer educator Joan Wilkie for “Great Lakes Fish” to discover the wonders of the Great Lakes fisheries July 11, 10 am; and again July 12, 10 am, for “Fantastic Flyers,” about the mysteries of migration in Crossroads’ fields and woodlands. Meet at the Collins Learning Center for these free programs, which last about an hour.

Ken Bradbury will present “Wisconsin’s Geoheritage” on July 12, 6:30 pm, in the Collins Learning Center’s lecture hall. His talk – an educational outreach of Crossroads’ Land Restoration School – will provide a geological history of the state, highlight some of its outstanding geological sites and discuss geology as it intersects with human issues.

The Door Peninsula Astronomical Society will also host its monthly meeting July 12, 7 pm, at the Stonecipher Astronomy Center, 2200 Utah St. in Sturgeon Bay. Visitors are encouraged to attend.

On July 13, 10 am, Wilkie will lead a program that explores how plants and animals from ancient seas transformed into the fossils found at Crossroads. Meet at the Collins Learning Center.

Then learn about the amphibians and other animals that live in Crossroads’ wetlands July 14, 6:30 pm. The naturalist will try to catch a few for a closer look. Meet at the Collins Learning Center.

Finally, join musicians Tad Greene and David LeFevre and puppeteer and storyteller Nancy Hawkins for songs and stories at Crossroads’ outdoor amphitheater July 15, 7 pm, plus s’mores at the council ring campfire afterward. No registration is required.